Home / 803,011.05-1,108,156.85-440,437.89

Finding the Fourth Proportional to 803,011.05, 1,108,156.85 and 440,437.89

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Solution

The fourth proportional to 803,011.05, 1,108,156.85 and 440,437.89 is: 607,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,011.05 : 1,108,156.85 = 440,437.89 : x
  2. Step 2: Convert to fraction form
    803,011.05/1,108,156.85 = 440,437.89/x
  3. Step 3: Cross multiply
    803,011.05x = 1,108,156.85 × 440,437.89
  4. Step 4: Simplify right side
    803,011.05x = 488,074,264,803.05
  5. Step 5: Solve for x
    x = 488,074,264,803.05/803,011.05
  6. Step 6: Final answer
    x = 607,805.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.